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Brett was given the problem: “Evaluate 2x^{2} + 5 when x = 3.” Brett wrote that the answer was 41. Was Brett correct? Explain your answer

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2x^{2} + 5

When x = 3, the expression becomes:

2(3)^{2 }+ 5

= 2(9) + 5

= 18 + 5

= 23

Thus, Brett was wrong

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